CN202012347U - Coal mining machine with automatic centralized lubricating function - Google Patents
Coal mining machine with automatic centralized lubricating function Download PDFInfo
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- CN202012347U CN202012347U CN 201120108796 CN201120108796U CN202012347U CN 202012347 U CN202012347 U CN 202012347U CN 201120108796 CN201120108796 CN 201120108796 CN 201120108796 U CN201120108796 U CN 201120108796U CN 202012347 U CN202012347 U CN 202012347U
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Abstract
The utility model discloses a coal mining machine with an automatic centralized lubricating function. The coal mining machine with the automatic centralized lubricating function comprises a moveable machine body, a traction part, a left cutting part, a right cutting part, a left walking mechanism, a right walking mechanism, a hydraulic transmission mechanism, an electrical control system and a centralized lubricating device, wherein the traction part comprises a left traction mechanism and a right traction mechanism; the left traction mechanism is connected with a left swinging arm in the left cutting part through a hinge 1; the right traction mechanism is connected with a right swinging arm in the right cutting part through a hinge 2; the centralized lubricating device is installed on the moveable machine body; the centralized lubricating device comprises an oil supplying main pipeline, an electric oil filling pump, a progressive distributor, and a controller for controlling the electric oil filling pump; the electric oil filling pump is connected with the progressive distributor through the oil supplying main pipeline; and a plurality of oil outlets of the progressive distributor are connected with a plurality of transmission components to be lubricated through a plurality of oil supplying branched pipelines respectively. The coal mining machine with the automatic centralized lubricating function is reasonable in design, convenient to install and arrange, simple and convenient to use and operate and good in using effect.
Description
Technical field
The utility model relates to a kind of coal-winning machine, especially relates to a kind of coal-winning machine with auto lube function.
Background technology
The lubricated operation of traditional bearing type on shearer walk gear and hinge axle sleeve all is to carry out in the maintenance process of coal-winning machine, and when being lubricated, adopts manual application of lubricant mode mostly, specifically is manually to utilize oil gun correspondingly needing lubricant housings filling lubrication oil.But in the actual greasing, because the mine inclement condition, not only refuel inconveniently, and grease is easy to contaminatedly, therefore causes shorten the application life of bearing, and improved the maintenance cost of coal-winning machine.In addition,, need the lubricant housings various, thereby workload is very big and operation inconvenience, and is prone to lubricated not in place, number of drawbacks and deficiency such as the grease waste is serious, waste time and energy for large-scale coal-winning machine.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of coal-winning machine with auto lube function is provided, it is reasonable in design, installation is laid convenient and it is easy and simple to handle to use, result of use good, the lubricant grease that is transmitted can be not contaminated, and what can solve effectively that manual application of lubricant mode that existing coal-winning machine adopted exists is prone to lubricated not in place, problem such as the grease waste is serious, waste time and energy.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of coal-winning machine with auto lube function comprises removable fuselage, is installed in tractive unit in the removable fuselage, is installed in the left cutting units and the right cutting units of the removable fuselage left and right sides respectively, the left lateral that is installed in the left and right sides, removable fuselage below is walked mechanism and right lateral is walked mechanism and be installed in hydraulic gear and electrical control system in the removable fuselage; Described tractive unit comprises left haulage gear and the right haulage gear that is installed in the left and right sides in the removable fuselage, be connected by hinge one between the left rocking arm in described left haulage gear and the described left cutting units, and be connected by hinge two between the right rocking arm in described right haulage gear and the described right cutting units, it is characterized in that: also comprise the centralized lubrication device that is installed on the removable fuselage; The controller that described centralized lubrication device comprises the oil supply bar road, the lubricant grease of storing in the depot fat jar is injected the electronic filling pump on oil supply bar road continuously, oil supply bar's lubricant grease that the road provides is carried out rationed stepwise type distributor and described electronic filling pump is controlled, have an oil-in and a plurality of oil-out on the described stepwise type distributor, described electronic filling pump is electrically connected with controller; Described filling pump joins by oil feed line and depot fat jar, be connected by the oil supply bar road between described filling pump and the stepwise type distributor, and the two ends on oil supply bar road join with the oil-feed port of described electronic filling pump and the oil-in of stepwise type distributor respectively; A plurality of oil-outs of described stepwise type distributor join with needing lubricated a plurality of drive disk assemblies by a plurality of fuel feeding bye-passes respectively.
Above-mentioned a kind of coal-winning machine with auto lube function is characterized in that: the quantity of described oil supply bar road and stepwise type distributor is two.
Above-mentioned a kind of coal-winning machine with auto lube function is characterized in that: described oil supply bar is equipped with grease filter on the road.
Above-mentioned a kind of coal-winning machine with auto lube function, it is characterized in that: described electronic filling pump is installed in removable waist, and two described stepwise type distributors are respectively the left stepwise type distributor and the right stepwise type distributor of close left haulage gear and the installation of right haulage gear.
Above-mentioned a kind of coal-winning machine with auto lube function is characterized in that: described left lateral is walked mechanism and is comprised that left lateral travelling wheel and left lateral walk transmission mechanism, walks transmission mechanism by described left lateral between described left haulage gear and the described left lateral travelling wheel and is in transmission connection; Described right lateral is walked mechanism and is comprised that right lateral travelling wheel and right lateral walk transmission mechanism, walks transmission mechanism by described right lateral between described right haulage gear and the described right lateral travelling wheel and is in transmission connection; A plurality of described drive disk assemblies comprise that hinge one, hinge two, described left lateral are walked transmission mechanism and described right lateral is walked transmission mechanism, described left stepwise type distributor is connected to hinge one by a plurality of fuel feeding bye-passes respectively and described left lateral is walked transmission mechanism, and described right stepwise type distributor is connected to hinge two by a plurality of fuel feeding bye-passes respectively and described right lateral is walked transmission mechanism.
Above-mentioned a kind of coal-winning machine with auto lube function, it is characterized in that: the quantity of the hydraulic fluid port of leaving is 5 on described left stepwise type distributor and the right stepwise type distributor, and the quantity of the fuel feeding bye-pass that joins with left stepwise type distributor and right stepwise type distributor is corresponding is 5.
Above-mentioned a kind of coal-winning machine with auto lube function is characterized in that: 2 fuel feeding bye-passes are connected to hinge one in 5 fuel feeding bye-passes that join with left stepwise type distributor, and other 3 fuel feeding bye-passes all are connected to described left lateral and walk transmission mechanism; 2 fuel feeding bye-passes are connected to hinge two in 5 fuel feeding bye-passes that join with right stepwise type distributor, and other 3 fuel feeding bye-passes all are connected to described right lateral and walk transmission mechanism.
Above-mentioned a kind of coal-winning machine with auto lube function is characterized in that: be connected by jointing between the lubricant grease oil-in of described fuel feeding bye-pass and described drive disk assembly.
Above-mentioned a kind of coal-winning machine with auto lube function, it is characterized in that: walking with described left lateral that 3 fuel feeding bye-passes that transmission mechanism joins gather by tee piece one and tee piece two is an oil feeding line, and walk 3 fuel feeding bye-passes that transmission mechanism joins with described left lateral and be respectively fuel feeding bye-pass one, fuel feeding bye-pass two and fuel feeding bye-pass three, wherein the oil-out of fuel feeding bye-pass one and fuel feeding bye-pass two is connected to respectively on two connectivity ports of tee piece one, and the 3rd connectivity port of the oil-out of fuel feeding bye-pass three and tee piece one is connected to respectively on two connectivity ports of tee piece two, and the 3rd connectivity port of described tee piece two is connected to described left lateral by oil feed line and walks transmission mechanism; Walking with described right lateral that 3 fuel feeding bye-passes that transmission mechanism joins gather by tee piece three and tee piece four is an oil feeding line, and walk 3 fuel feeding bye-passes that transmission mechanism joins with described right lateral and be respectively fuel feeding bye-pass four, fuel feeding bye-pass five and fuel feeding bye-pass six, wherein the oil-out of fuel feeding bye-pass four and fuel feeding bye-pass five is connected to respectively on two connectivity ports of tee piece three, and the 3rd connectivity port of the oil-out of fuel feeding bye-pass six and tee piece three is connected to respectively on two connectivity ports of tee piece four, and the 3rd connectivity port of described tee piece four is connected to described right lateral by oil feed line and walks transmission mechanism.
Above-mentioned a kind of coal-winning machine with auto lube function is characterized in that: described jointing is a threaded connector.
The utility model compared with prior art has the following advantages:
1, the centralized lubrication device is reasonable in design, simple in structure, and the installation laying is convenient and input cost is low, need not the coal-winning machine structure is done any change, and can not cause any harmful effect to the service behaviour of coal-winning machine.
2, use easy and simple to handlely, by controller electronic dry oil pump is carried out start and stop control, just can realize automatically a plurality of drive disk assemblies on the coal-winning machine being carried out the purpose of auto lube, the oiling full automation has significantly reduced coal-winning machine surfaceman's workload.
3, because the working cycles of stepwise type distributor is by laddering action in proper order, thus can guarantee will from the lubricant grease of electronic dry oil pump quantitative be delivered to each oil site successively.
4, result of use is good, because lubricant grease is directly delivered to each drive disk assembly on the coal-winning machine by oil supply bar road and fuel feeding bye-pass, then can effectively guarantee the grease that transmits can not improved the cleannes of grease greatly by pollutions such as coal dusts, improved the application life of drive disk assembly.Simultaneously, because lubricant grease directly extremely needs lubricated drive disk assembly by line transportation, thereby the grease wastage is considerably less.
In sum, the utility model is reasonable in design, installation is laid convenient and it is easy and simple to handle to use, result of use good, the lubricant grease that is transmitted can be not contaminated, and what can solve effectively that manual application of lubricant mode that existing coal-winning machine adopted exists is prone to lubricated not in place, multiple practical problem such as the grease waste is serious, waste time and energy.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a user mode reference diagram of the present utility model.
Fig. 2 adopts the structural representation of centralized lubrication device for the utility model.
Fig. 3 is the oil circuit distribution schematic diagram of the utility model left side stepwise type distributor.
Description of reference numerals:
The removable fuselage of 1-; The 2-left lateral is walked mechanism; The 3-right lateral is walked mechanism;
4-left side haulage gear; The right haulage gear of 5-; 6-hinge one;
7-hinge two; 8-1-left side stepwise type distributor; 8-2-oil supply bar road;
The right stepwise type distributor of 8-3-; The 8-4-grease filter; 8-5-fuel feeding bye-pass;
8-51-fuel feeding bye-pass one; 8-52-fuel feeding bye-pass two; 8-53-fuel feeding bye-pass three;
The 8-6-controller; The electronic dry oil pump of 8-7-; The 9-threaded connector;
10-tee piece one; 11-tee piece two; 12-left side rack rails wheel shaft;
The right rack rails wheel shaft of 13-.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model comprises removable fuselage 1, be installed in tractive unit in the removable fuselage 1, be installed in the left cutting units and the right cutting units of removable fuselage 1 left and right sides respectively, the left lateral that is installed in the left and right sides, removable fuselage 1 below is walked mechanism 2 and right lateral is walked mechanism 3 and be installed in hydraulic gear and electrical control system in the removable fuselage 1.Described tractive unit comprises left haulage gear 4 and the right haulage gear 5 that is installed in the left and right sides in the removable fuselage 1, be connected by hinge 1 between the left rocking arm in described left haulage gear 4 and the described left cutting units, and be connected by hinge 27 between the right rocking arm in described right haulage gear 5 and the described right cutting units.Simultaneously, the utility model also comprises the centralized lubrication device that is installed on the removable fuselage 1.
The controller 8-6 that described centralized lubrication device comprises oil supply bar road 8-2, the lubricant grease of storing in the depot fat jar is injected the electronic filling pump of oil supply bar road 8-2 continuously, oil supply bar road lubricant grease that 8-2 provides is carried out rationed stepwise type distributor and described electronic filling pump is controlled, have an oil-in and a plurality of oil-out on the described stepwise type distributor, described electronic filling pump is electrically connected with controller 8-6.Described filling pump joins by oil feed line and depot fat jar, be connected by oil supply bar road 8-2 between described filling pump and the stepwise type distributor, and the two ends of oil supply bar road 8-2 join with the oil-feed port of described electronic filling pump and the oil-in of stepwise type distributor respectively.A plurality of oil-outs of described stepwise type distributor join with needing lubricated a plurality of drive disk assemblies by a plurality of fuel feeding bye-pass 8-5 respectively.
In the present embodiment, the quantity of described oil supply bar road 8-2 and stepwise type distributor is two.On the described oil supply bar road 8-2 grease filter 8-4 is housed.
The actual laying when installing, described electronic filling pump is installed in removable fuselage 1 middle part, and two described stepwise type distributors are respectively the left stepwise type distributor 8-1 and the right stepwise type distributor 8-3 of close left haulage gear 4 and 5 installations of right haulage gear.
Described left lateral is walked mechanism 2 and is comprised that left lateral travelling wheel and left lateral walk transmission mechanism, walks transmission mechanism by described left lateral between described left haulage gear 4 and the described left lateral travelling wheel and is in transmission connection.Described right lateral is walked mechanism 3 and is comprised that right lateral travelling wheel and right lateral walk transmission mechanism, walks transmission mechanism by described right lateral between described right haulage gear 5 and the described right lateral travelling wheel and is in transmission connection.A plurality of described drive disk assemblies comprise that hinge 1, hinge 27, described left lateral are walked transmission mechanism and described right lateral is walked transmission mechanism, described left stepwise type distributor 8-1 is connected to hinge 1 by a plurality of fuel feeding bye-pass 8-5 respectively and described left lateral is walked transmission mechanism, and described right stepwise type distributor 8-3 is connected to hinge 27 by a plurality of fuel feeding bye-pass 8-5 respectively and described right lateral is walked transmission mechanism.
In the present embodiment, the quantity of the hydraulic fluid port of leaving is 5 on described left stepwise type distributor 8-1 and the right stepwise type distributor 8-3, and the quantity of the fuel feeding bye-pass 8-5 that joins with left stepwise type distributor 8-1 and right stepwise type distributor 8-3 is corresponding is 5.During actual the connection, 2 fuel feeding bye-pass 8-5 are connected to hinge 1 among 5 fuel feeding bye-pass 8-5 that join with left stepwise type distributor 8-1, and other 3 fuel feeding bye-pass 8-5 all are connected to described left lateral and walk transmission mechanism.2 fuel feeding bye-pass 8-5 are connected to hinge 27 among 5 fuel feeding bye-pass 8-5 that join with right stepwise type distributor 8-3, and other 3 fuel feeding bye-pass 8-5 all are connected to described right lateral and walk transmission mechanism.
In the present embodiment, walking with described left lateral that 3 fuel feeding bye-pass 8-5 that transmission mechanism joins gather by tee piece 1 and tee piece 2 11 is an oil feeding line, and walk 3 fuel feeding bye-pass 8-5 that transmission mechanism joins with described left lateral and be respectively fuel feeding bye-pass one 8-51, fuel feeding bye-pass two 8-52 and fuel feeding bye-pass three 8-53, wherein the oil-out of fuel feeding bye-pass one 8-51 and fuel feeding bye-pass two 8-52 is connected to respectively on two connectivity ports of tee piece 1, and the 3rd connectivity port of the oil-out of fuel feeding bye-pass three 8-53 and tee piece 1 is connected to respectively on two connectivity ports of tee piece 2 11, and the 3rd connectivity port of described tee piece 2 11 is connected to described left lateral by oil feed line and walks transmission mechanism.Walking with described right lateral that 3 fuel feeding bye-pass 8-5 that transmission mechanism joins gather by tee piece three and tee piece four is an oil feeding line, and walk 3 fuel feeding bye-pass 8-5 that transmission mechanism joins with described right lateral and be respectively fuel feeding bye-pass four, fuel feeding bye-pass five and fuel feeding bye-pass six, wherein the oil-out of fuel feeding bye-pass four and fuel feeding bye-pass five is connected to respectively on two connectivity ports of tee piece three, and the 3rd connectivity port of the oil-out of fuel feeding bye-pass six and tee piece three is connected to respectively on two connectivity ports of tee piece four, and the 3rd connectivity port of described tee piece four is connected to described right lateral by oil feed line and walks transmission mechanism.
Be connected by jointing between the lubricant grease oil-in of described fuel feeding bye-pass 8-5 and described drive disk assembly, promptly walk transmission mechanism, hinge 27 and described right lateral and walk between the lubricant grease oil-in of transmission mechanism and all be connected by jointing with hinge 1, described left lateral.Particularly, described fuel feeding bye-pass 8-5 and the lubricant grease oil-in of hinge 1, described left lateral lubricant grease oil-in and the described right lateral of walking lubricant grease oil-in, the hinge 27 of left rack rails wheel shaft 12 in the transmission mechanism lubricant grease oil-in of walking right rack rails wheel shaft 13 in the transmission mechanism is connected.In the present embodiment, described jointing is a threaded connector 9.
In the present embodiment, described electronic filling pump is electronic dry oil pump 8-7, and described grease filter 8-4 is a LS type grease filter.To sum up, the centralized lubrication device in the utility model mainly comprises electronic dry oil pump 8-7, LS type grease filter, stepwise type distributor and oil supply bar road 8-2 and fuel feeding bye-pass 8-5.In the actual use, when needs are lubricated, then realize electronic dry oil pump 8-7 is carried out automatic start-stop control to electronic dry oil pump 8-7 sending controling instruction by controller 8-6.And after starting electronic dry oil pump 8-7, electronic dry oil pump 8-7 liposuction in the depot fat jar, and the lubricant grease of storing in the depot fat jar injected oil supply bar road 8-2 continuously, inject the lubricant grease of oil supply bar road 8-2 and after LS type grease filter filters, deliver to stepwise type distributor, stepwise type distributor again by a plurality of fuel feeding bye-pass 8-5 will lubricant grease after filtering deliver to hinge 1 respectively, described left lateral is walked transmission mechanism, hinge 27 and described right lateral and is walked transmission mechanism to realize auto lube.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (10)
1. coal-winning machine with auto lube function comprises removable fuselage (1), is installed in tractive unit in the removable fuselage (1), is installed in the left cutting units and the right cutting units of removable fuselage (1) left and right sides respectively, the left lateral that is installed in the left and right sides, removable fuselage (1) below walks mechanism (2) and right lateral is walked mechanism (3) and is installed in removable fuselage (1) interior hydraulic gear and electrical control system; Described tractive unit comprises left haulage gear (4) and the right haulage gear (5) that is installed in the interior left and right sides of removable fuselage (1), be connected by hinge one (6) between the left rocking arm in described left haulage gear (4) and the described left cutting units, and be connected by hinge two (7) between the right rocking arm in described right haulage gear (5) and the described right cutting units, it is characterized in that: also comprise the centralized lubrication device that is installed on the removable fuselage (1); The controller (8-6) that described centralized lubrication device comprises oil supply bar road (8-2), the lubricant grease of storing in the depot fat jar is injected the electronic filling pump on oil supply bar road (8-2) continuously, oil supply bar road (8-2) lubricant grease that provides is carried out rationed stepwise type distributor and described electronic filling pump is controlled, have an oil-in and a plurality of oil-out on the described stepwise type distributor, described electronic filling pump is electrically connected with controller (8-6); Described filling pump joins by oil feed line and depot fat jar, be connected by oil supply bar road (8-2) between described filling pump and the stepwise type distributor, and the two ends of oil supply bar road (8-2) join with the oil-feed port of described electronic filling pump and the oil-in of stepwise type distributor respectively; A plurality of oil-outs of described stepwise type distributor join with needing lubricated a plurality of drive disk assemblies by a plurality of fuel feeding bye-passes (8-5) respectively.
2. according to the described a kind of coal-winning machine with auto lube function of claim 1, it is characterized in that: described oil supply bar road (8-2) is two with the quantity of stepwise type distributor.
3. according to claim 1 or 2 described a kind of coal-winning machines, it is characterized in that: grease filter (8-4) is housed on the described oil supply bar road (8-2) with auto lube function.
4. according to the described a kind of coal-winning machine of claim 2 with auto lube function, it is characterized in that: described electronic filling pump is installed in removable fuselage (1) middle part, and two described stepwise type distributors are respectively the left stepwise type distributor (8-1) and the right stepwise type distributor (8-3) of close left haulage gear (4) and right haulage gear (5) installation.
5. according to the described a kind of coal-winning machine of claim 4 with auto lube function, it is characterized in that: described left lateral is walked mechanism (2) and is comprised that left lateral travelling wheel and left lateral walk transmission mechanism, walks transmission mechanism by described left lateral between described left haulage gear (4) and the described left lateral travelling wheel and is in transmission connection; Described right lateral is walked mechanism (3) and is comprised that right lateral travelling wheel and right lateral walk transmission mechanism, walks transmission mechanism by described right lateral between described right haulage gear (5) and the described right lateral travelling wheel and is in transmission connection; A plurality of described drive disk assemblies comprise hinge one (6), hinge two (7), described left lateral walks transmission mechanism and described right lateral is walked transmission mechanism, described left stepwise type distributor (8-1) is connected to hinge one (6) by a plurality of fuel feeding bye-passes (8-5) respectively and described left lateral is walked transmission mechanism, and described right stepwise type distributor (8-3) is connected to hinge two (7) by a plurality of fuel feeding bye-passes (8-5) respectively and described right lateral is walked transmission mechanism.
6. according to the described a kind of coal-winning machine of claim 4 with auto lube function, it is characterized in that: the quantity of the hydraulic fluid port of leaving is 5 on described left stepwise type distributor (8-1) and the right stepwise type distributor (8-3), and the quantity of the fuel feeding bye-pass (8-5) that joins with left stepwise type distributor (8-1) and right stepwise type distributor (8-3) is corresponding is 5.
7. according to the described a kind of coal-winning machine of claim 6 with auto lube function, it is characterized in that: 2 fuel feeding bye-passes (8-5) are connected to hinge one (6) in 5 the fuel feeding bye-passes (8-5) that join with left stepwise type distributor (8-1), and other 3 fuel feeding bye-passes (8-5) all are connected to described left lateral and walk transmission mechanism; 2 fuel feeding bye-passes (8-5) are connected to hinge two (7) in 5 the fuel feeding bye-passes (8-5) that join with right stepwise type distributor (8-3), and other 3 fuel feeding bye-passes (8-5) all are connected to described right lateral and walk transmission mechanism.
8. according to the described a kind of coal-winning machine of claim 5, it is characterized in that: be connected by jointing between the lubricant grease oil-in of described fuel feeding bye-pass (8-5) and described drive disk assembly with auto lube function.
9. according to the described a kind of coal-winning machine of claim 7 with auto lube function, it is characterized in that: walking with described left lateral that 3 fuel feeding bye-passes (8-5) that transmission mechanism joins gather by tee piece one (10) and tee piece two (11) is an oil feeding line, and walk 3 fuel feeding bye-passes (8-5) that transmission mechanism joins with described left lateral and be respectively fuel feeding bye-pass one (8-51), fuel feeding bye-pass two (8-52) and fuel feeding bye-pass three (8-53), wherein the oil-out of fuel feeding bye-pass one (8-51) and fuel feeding bye-pass two (8-52) is connected to respectively on two connectivity ports of tee piece one (10), and the 3rd connectivity port of the oil-out of fuel feeding bye-pass three (8-53) and tee piece one (10) is connected to respectively on two connectivity ports of tee piece two (11), and the 3rd connectivity port of described tee piece two (11) is connected to described left lateral by oil feed line and walks transmission mechanism; Walking with described right lateral that 3 fuel feeding bye-passes (8-5) that transmission mechanism joins gather by tee piece three and tee piece four is an oil feeding line, and walk 3 fuel feeding bye-passes (8-5) that transmission mechanism joins with described right lateral and be respectively fuel feeding bye-pass four, fuel feeding bye-pass five and fuel feeding bye-pass six, wherein the oil-out of fuel feeding bye-pass four and fuel feeding bye-pass five is connected to respectively on two connectivity ports of tee piece three, and the 3rd connectivity port of the oil-out of fuel feeding bye-pass six and tee piece three is connected to respectively on two connectivity ports of tee piece four, and the 3rd connectivity port of described tee piece four is connected to described right lateral by oil feed line and walks transmission mechanism.
10. according to the described a kind of coal-winning machine with auto lube function of claim 8, it is characterized in that: described jointing is threaded connector (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120108796 CN202012347U (en) | 2011-04-14 | 2011-04-14 | Coal mining machine with automatic centralized lubricating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120108796 CN202012347U (en) | 2011-04-14 | 2011-04-14 | Coal mining machine with automatic centralized lubricating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202012347U true CN202012347U (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120108796 Expired - Lifetime CN202012347U (en) | 2011-04-14 | 2011-04-14 | Coal mining machine with automatic centralized lubricating function |
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| CN (1) | CN202012347U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765085A (en) * | 2020-06-22 | 2020-10-13 | 浙江凯立特真空科技有限公司 | Sliding valve vacuum pump |
| CN111765084A (en) * | 2020-06-22 | 2020-10-13 | 浙江凯立特真空科技有限公司 | Oil supply system of sliding valve vacuum pump |
-
2011
- 2011-04-14 CN CN 201120108796 patent/CN202012347U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765085A (en) * | 2020-06-22 | 2020-10-13 | 浙江凯立特真空科技有限公司 | Sliding valve vacuum pump |
| CN111765084A (en) * | 2020-06-22 | 2020-10-13 | 浙江凯立特真空科技有限公司 | Oil supply system of sliding valve vacuum pump |
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Granted publication date: 20111019 |